GE Dinamap PRO Series, Manual

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Revision A DINAMAP® PRO Series 100-400V2 Monitor Pre-Service & Calibration Manual 25
2018554-001
1.10 TROUBLESHOOTING
Trouble Probable Cause Fault Isolation
Monitor will not switch on
when powered by battery
- Battery may be discharged
- PSU board fault - Replace with known, charged battery
- Replace PSU board
Unit will not switch on from
either battery or external AC
source. No AC mains light.
- Locked processor
- PSU Module - Press and hold ON/OFF button for 15
seconds.
- check PSU module for 24 Vdc
Pressing rotor fails to power
on the unit, menu selection is
possible
Rotor ON/OFF switch Replace mains PWA
No rotor selection or menu
skips
Main board failure Replace main board
Illegible or no LCD display - LCD failure
- Main board fault (usually
accompanied by an audible
alarm if main board processor
has ceased operation)
- Negative supply to LCD (-9.6
Vdc) is out of tolerance - Replace LCD
- Replace main board
- Check negative supply reaching the
LCD module
No LCD backlight - LCD faulty
- Main board fault - Replace the LCD
- Replace the main board
Incorrect, missing segments,
or no LED display output
- Main board fault (usually
accompanied by an audible
alarm if main board processor
has ceased operation)
- No or low +4 Vdc LED
supply - Replace LCD
- Replace PSU board
- Check supply continuity from PSU board
to Main board
Battery not charging or not
holding charge
- Check battery charging
function
- PSU PWA - Input Service code: 8378 after selecting
the Service button. Then select
PIC . Then
select C bat . The Monitor displays the
Battery C value . Multiply Battery C value
(ADU) x .101 = charge volts. If charge
volts is less than 13.0 volts, replace PSU
PWA
“SpO2 probe disconnected”
error displayed on LCD
- Faulty probe
- SpO2 PWA failed - Test parameter with known good
accessories
- Replace PWA and test unit with Spo2
simulator